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Wyniki wyszukiwania dla: BACTERIAL ADHESINS
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Updates in the Metabolism of Lactic Acid Bacteria
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TOLERANCE OF ENVIRONMENTAL BACTERIA TO HEAVY METALS
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Anaerobic bacteria in wastewater treatment plant
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Ewaluation of a PCR Melting Profile technique for bacterial strain differentiation
PublikacjaBadano przydatność techniki PCR MP w efektywnym typowaniu szczepów w badaniach epidemiologicznych zakażeń szpitalnych. Technika oparta jest na użyciu niskiej temperatury denaturacji podczas LM PCR. Badaniu zostały poddane izolaty Escherichia coli pochodzące od pacjentów Szpitala Klinicznego w Gdańsku. Wykazano, że technika jest szybka, o wysokim potencjale różnicującym i bardzo dobrej powtarzalności i może być zastosowana w badaniach...
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Superabsorbent crosslinked bacterial cellulose biomaterials for chronic wound dressings
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Immobilization pattern of morphologically different microorganisms on bacterial cellulose membranes
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Oxidative Modification of Proteins in Pediatric Cystic Fibrosis with Bacterial Infections
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In Vitro Study of a Stentless Aortic Bioprosthesis Made of Bacterial Cellulose
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The Influence of Polysaccharides/TiO2 on the Model Membranes of Dipalmitoylphosphatidylglycerol and Bacterial Lipids
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Changes in bacterial cells induced by high pressure at subzero temperature
PublikacjaW publikacji przedstawiono wyniki badań dotyczące zmian jakie zachodzą w komórkach bakterii Escherichia coli po działaniu wysokiego ciśnienia w ujemnej temperaturze. Stwierdzono, że w wyniku działania ciśnienia 193 MPa zachodzącą zmiany w błonie cytoplazmatycznej i ścianie komórkowej bakterii. W tych warunkach następowała prawie całkowita utrata wewnątrzkomórkowego ATP z komórek badanych szczepów znajdujących się w fazie logarytmicznej....
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Small regulatory bacterial RNAs regulating the envelope stress response
PublikacjaMost bacteria encode a large repertoire of RNA-based regulatory mechanisms. Recent discoveries have revealed that the expression of many genes is controlled by a plethora of base-pairing noncoding small regulatory RNAs (sRNAs), regulatory RNA-binding proteins and RNA-degrading enzymes. Some of these RNA-based regulated processes respond to stress conditions and are involved in the maintenance of cellular homeostasis. They achieve...
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Effect of osmoprotectants on the survival of bacterial endophytes in lyophilized beet roots
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Preparation and Characterization of Films Based on Disintegrated Bacterial Cellulose and Montmorillonite
PublikacjaThe food packaging materials from natural polymers including polysaccharides offer an ecologically important alternative to commonly used synthetic, non-biodegradable counterparts. The purpose of this work was to modify of bacterial cellulose (BC) leading to the improvement of its functional properties in terms of use as a food packaging material. Effects of disintegration of BC and addition of montmorillonite (MMT) on its water...
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Time Dependent Influence of Rotating Magnetic Field on Bacterial Cellulose
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A shear stress micromodel of urinary tract infection by the Escherichia coli producing Dr adhesin
PublikacjaIn this study, we established a dynamic micromodel of urinary tract infection to analyze the impact of UT-segment-specific urinary outflow on the persistence of E. coli colonization. We found that the adherence of Dr+ E. coli to bladder T24 transitional cells and type IV collagen is maximal at lowest shear stress and is reduced by any increase in flow velocity. The analyzed adherence was effective in the whole spectrum of physiological...
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Fracture Energy of Bonded Joints with 2D Elastic Adhesive Layer
PublikacjaWhen bonded joint is subjected to mode I fracture loading, the adhesive joints analytical solutions treats the adhesive layer, usually, as not existing or 1D Hooke elastic layer. In the case of 1D elastic layer, represented as Hookes spring element, is acting, only, in direction contrary to the applied load. Basing on the information yielded from sensitive laser profilometry technique, where deflections of bonded part of the joint...
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Application of guided waves in the evaluation of steel-concrete adhesive connection
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Interfacial adhesion evaluation in (low-density polyethylene)/elastomer blends
PublikacjaLow-density polyethylene (LDPE) with different elastomers at a ratio of 50/50 wt% blends was prepared by using a co-rotating twin-screw extruder. Three kinds of elastomers were used: ground tire rubber (GTR), partially crosslinked butyl rubber (KalarVR ), and styrenebutadiene- rubber block copolymer (SBS; KratonVR ). For better characterization of interaction between polyethylene and elastomer, influence of the type of elastomer on...
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Conductive Electric Tapes Based on Silicone Pressure-Sensitive Adhesives
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UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics
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Influence of modified attapulgite on silicone pressure-sensitive adhesives properties
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Preparation of double-sided self-adhesive tape Si-PSA
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The Effect of Adhesive Additives on Silica Gel Water Sorption Properties
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An in situ technique for the assessment of adhesive properties of a joint under load
PublikacjaSlow crack propagation in adhesive bonded joints has been characterised using an asymmetric wedge test. Crack position was evaluated from strain gauge measurements, both in the debonded partof the joint and in the bonded zone. Test temperature was changed during loading, giving insight into bond evolution. The technique allows accurate, and virtually continuous, determination of crack position to be made, and therefore the evaluation...
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Experimental and numerical analysis of an aluminum cantilevered beam with polymer adhesive
PublikacjaIn this paper, experimental and numerical investigation on a composite cantilevered aluminum beam has been conducted. The subject of the study consists of two plain aluminum elements bonded with polymer adhesive of different thickness. It has been proven in the previous study that this kind of material has high damping properties. During an experimental investigation, value of damping ratios have been obtained. The aim of a numerical...
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Unprecedented Adhesive Performance of Propylene-Based Hydroxyl Functionalized Terpolymers
PublikacjaThe synthesis of hydroxyl functionalized propylene-based terpolymers and their performance as hot melt adhesives were investigated. The products comprise uniformly distributed butyl and 4-hydroxyl-butyl branches along the polypropylene backbone. Despite the low hydroxyl-functionality level of ≤ 0.5 mol%, hydroxyl functionalized terpolymers show formidable adhesion to aluminum and steel providing an adhesive strength exceeding 16...
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Evaluation of recycled tyre steel fibres adhesion to cement matrix
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Mechanical Recycling via Regrinding, Rebonding, Adhesive Pressing, and Molding
PublikacjaIncreasing amount of polyurethane foams waste (e.g. from the building or furniture industry) produced every year resulted in the intensive development of their recycling methods. This chapter covers most important mechanical recycling methods, i.e. regrinding, rebonding, adhesive pressing, and molding. The procedure, required equipment and chemicals (if needed) for each method were described. The possible applications of the products...
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Damage Imaging in Lamb Wave-Based Inspection of Adhesive Joints
PublikacjaAdhesive bonding has become increasingly important in many industries. Non-destructive inspection of adhesive joints is essential for the condition assessment and maintenance of a structure containing such joints. The aim of this paper was the experimental investigation of the damage identification of a single lap adhesive joint of metal plate-like structures. Nine joints with different defects in the form of partial debonding...
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Application of guided waves in the evaluation of steel-concrete adhesive connection
PublikacjaThe aim of the paper is the application of guided waves in the evaluation of a condition state of adhesive connection between steel and concrete. The study concerns a push-out specimen consisting of two steel plates glued to opposite faces of a concrete cube with the use of structural adhesive. Wave propagation in the specimen without external load is investigated both experimentally and numerically. The second stage of the investigation...
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Analysis of guided wave propagation in adhesive joints of steel rods
PublikacjaThe aim of the study is the elastic wave propagation in adhesive joints of metal rods that are one of the simplest kind of glue connections. They are consisted of two metal members and an adhesive layer joining two parts together. The analysis is directed to technical diagnostics of such type of connections. Longitudinal and transversal guided waves were excited in prepared joints. Signals of propagating waves were registered in...
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Detection of debonding in adhesive joints using Lamb wave propagation
PublikacjaAdhesively bonded joints are widely used in many branches of industry. Mechanical degradation of this type of connections does not have significant symptoms that can be noticed during visual assessment, so non-destructive testing becomes a very important issue. The paper deals with experimental investigations of adhesively bonded steel plates with different defects. Five samples (an intact one and four with damages in the form...
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The Role of Proteases in the Virulence of Plant Pathogenic Bacteria
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Functionalized Magnetic Bacterial Cellulose Beads as Carrier for Lecitase® Ultra Immobilization
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Evaluation of usefulness of 2DCorr technique in assessing physicochemical properties of bacterial cellulose
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Biodegradation of nodularin and effects of the toxin on bacterial isolates from the Gulf of Gdańsk
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The Extracellular Bacterial HtrA Proteins as Potential Therapeutic Targets and Vaccine Candidates
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Synergistic effect of fennel essential oil and hydrogen peroxide on bacterial biofilm
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Airborne peptidoglycans as a supporting indicator of bacterial contamination in a metal processing plant
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Bacterial luminescence test screening of highly polluted areas in the Odra River
PublikacjaW pracy przedstawiono wyniki badania ekotoksyczności wód i osadów z dorzecza Odry w obrazie testu z zastosowaniem bakterii Vibrio Fischerii. Badania przesiewowe wskazują, że silnie zanieczyszczone są miejsca w okolicy Brzegu Dolnego, ujścia Nysy Kłodzkiej i Małej Panwi.
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Evolution towards simplicity in bacterial small heat shock protein system
PublikacjaEvolution can tinker with multi-protein machines and replace them with simpler single-protein systems performing equivalent functions in an equally efficient manner. It is unclear how, on a molecular level, such simplification can arise. With ancestral reconstruction and biochemical analysis, we have traced the evolution of bacterial small heat shock proteins (sHsp), which help to refold proteins from aggregates using either two...
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Copper(II) complexes with Fusobacterium nucleatum adhesin FadA: Coordination pattern, physicochemical properties and reactivity
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Impedance-based sensing of the interlayer adhesion loss in organic coating systems
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Copolymerization of Styrene and Pentadecylphenylmethacrylate (PDPMA): Synthesis, Characterization, Thermomechanical and Adhesion Properties
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Comparison of Aging Simulation to Real Aging of Silicone Self-adhesives Tapes
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Influence of storage time on the useful properties of silicone pressure-sensitive adhesives
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Influence of cleaned granite dust on the properties of silicone pressure-sensitive adhesives
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Influence of Nanoclay on the Thermo-Mechanical Properties of Silicone Pressure-Sensitive Adhesives
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Thermal crosslinking of silicone pressure-sensitive adhesives using organic peroxides
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Carboxymethylated polysaccharide-based films as carriers for acrylic pressure-sensitive adhesives
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